Add synchronize event to PR trigger in tests workflow

This update ensures that the workflow is triggered whenever a pull request is synchronized. It improves CI coverage by running tests for updated PRs, reducing the risk of unverified changes.

.github/workflows/tests.yml

@@ -5,7 +5,7 @@ on:
     branches: [main]
   pull_request:
     branches: [main]
-    types: [opened, reopened]
+    types: [opened, reopened, synchronize]
     merge_group: # triggers workflow for merge queue
       types: [checks_requested]